Home / 54,343.54-74,994.07-30,470.22

Finding the Fourth Proportional to 54,343.54, 74,994.07 and 30,470.22

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Solution

The fourth proportional to 54,343.54, 74,994.07 and 30,470.22 is: 42,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,343.54 : 74,994.07 = 30,470.22 : x
  2. Step 2: Convert to fraction form
    54,343.54/74,994.07 = 30,470.22/x
  3. Step 3: Cross multiply
    54,343.54x = 74,994.07 × 30,470.22
  4. Step 4: Simplify right side
    54,343.54x = 2,285,085,811.60
  5. Step 5: Solve for x
    x = 2,285,085,811.60/54,343.54
  6. Step 6: Final answer
    x = 42,048.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.